490590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 1382400

約数和(自身を除く): 891810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 79, 90, 115, 135, 138, 158, 207, 230, 237, 270, 345, 395, 414, 474, 621, 690, 711, 790, 1035, 1185, 1242, 1422, 1817, 2070, 2133, 2370, 3105, 3555, 3634, 4266, 5451, 6210, 7110, 9085, 10665, 10902, 16353, 18170, 21330, 27255, 32706, 49059, 54510, 81765, 98118, 163530, 245295, 490590]

約数ペア:

[(1, 490590), (2, 245295), (3, 163530), (5, 98118), (6, 81765), (9, 54510), (10, 49059), (15, 32706), (18, 27255), (23, 21330), (27, 18170), (30, 16353), (45, 10902), (46, 10665), (54, 9085), (69, 7110), (79, 6210), (90, 5451), (115, 4266), (135, 3634), (138, 3555), (158, 3105), (207, 2370), (230, 2133), (237, 2070), (270, 1817), (345, 1422), (395, 1242), (414, 1185), (474, 1035), (621, 790), (690, 711)]